Sidharth Malhotra and Tamannaah are running the viral music moment right now. According to a Zee Music Company YouTube Shorts drop, the two Bollywood stars are anchoring #ThummakThummak, a track that's already sparking the kind of social-media frenzy that turns songs into cultural shorthand.
The track comes from Tanishk Bagchi, a hitmaker known for crafting infectious pop-Bollywood hybrids. Dev Negi and Akasa provide vocals on the number, giving it that contemporary playfulness that makes shorts creators reach for the mic.
Bollywood's A-list has figured out the shorts algorithm in a way that feels genuinely fun rather than calculated. Sidharth, fresh off action-hero roles, dancing alongside Tamannaah signals what industry insiders have been saying for months: the old model of music videos as separate entities is fading. Now it's all about the ecosystem. A 15-second hook, a hashtag, influencers riffing on it, then the full track on streaming.
The collaboration is deliberately broad. Tamannaah brings the pan-Indian fanbase (Tamil and Telugu audiences still adore her), while Sidharth carries millennial nostalgia and current digital clout. Tanishk's production style bridges regional and Bollywood, which matters when TikTok and Instagram Reels are now bigger tastemakers than radio.
The #ThummakThummak hashtag drives discovery. Shorts are YouTube's answer to TikTok dominance in India, and a song tethered to a dance trend with major stars already participating creates viral momentum. The label (Zee Music) gets organic reach without spending on paid promotion, the stars become co-marketers, and fans become creators themselves.
For emerging composers, a Sidharth-Tamannaah co-sign on a short-form platform is worth more than a prime-time film release might have been five years ago. It's faster, cheaper, and the metrics are immediate.
Expect to see this track everywhere. TikTok dances, Instagram reels, wedding playlists. #ThummakThummak is the template for how Bollywood launches music in 2026.




